The fabric-interconnect component in Cisco Unified Computing System (UCS) does not encrypt KVM media traffic, which allows remote attackers to obtain sensitive information, and consequently complete the authentication process for a server connection, by sniffing the network, aka Bug ID CSCtr72970.
Conclusion & alert: CVE-2012-4116 is rated Low Risk (39.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.12%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.27% | 1.12% | +0.85% |
| 2 | 2025-03-17 | 0.15% | 0.27% | +0.11% |
| 3 | 2024-03-15 | — | 0.15% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | unified_computing_system | — | cpe:2.3:h:cisco:unified_computing_system:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4116 | Vendor Advisory |